Thomas Dorsey may refer to:

• Tommy Dorsey (1905–1956), bandleader and jazz trombone player
• Thomas A. Dorsey (1899–1993), gospel composer and performer, known as Georgia Tom in his earlier jazz career
• Thomas Beale Dorsey (1780–1855), American politician and judge in Maryland

• Automatic (band)
• Automatic bias
• Automatic bids to college bowl games
• Automatic bleeding valve
• Automatic brake
• Automatic braking (disambiguation)
• Automatic braking system
• Automatic bug fixing
• Automatic card shuffling machine
• Automatic Cash Dispenser
• Automatic classification of documents
• Automatic clustering algorithms
• Automatic Clustering Algorithms
• Automatic Command to Line-Of-Sight
• Automatic Content Extraction
• Automatic Data Processing
• Automatic debugging
• Automatic deodorizer dispenser
• Automatic dependent surveillance - broadcast
• Automatic dishwasher detergent
• Automatic Electric Company Building
• Automatic emotion recognition
• Automatic exchange of information
• Automatic Eyes
• Automatic Firearm